CVE-2023-31100 HIGH

CVE-2023-31100

Vendor Phoenix
Product SecureCore™ Technology™ 4
Weakness CWE-284
Published November 14, 2023
Last update July 28, 2025
View on NVD All CVEs

CVSS base score

8.4/10
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity High

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H

What the vulnerability does

01Description

Improper Access Control in SMI handler vulnerability in Phoenix SecureCore™ Technology™ 4 allows SPI flash modification. This issue affects SecureCore™ Technology™ 4: * from 4.3.0.0 before 4.3.0.203 * from 4.3.1.0 before 4.3.1.163 * from 4.4.0.0 before 4.4.0.217 * from 4.5.0.0 before 4.5.0.138

Key dates

02Disclosure timeline

November 14, 2023 CVE published
July 28, 2025 Record updated